Boil the prepared oil and then gently rub it on the painful joints or muscles. If you have ear infections, put two drops of warm oil on the infection. When you have a toothache, make a mixture of crushed garlic and salt and catch with your fingertips as much as you can and apply it on the tooth.
Cloves
Toothache, and pain in the gums, can be immediately healed with cloves. It is best to chew them because that way the powerful ingredient called eugenol is releasing its analgesic effect. If you cannot make a strong and unique flavor you can make a strong tea from it.
Cherries
This is perhaps the tastiest selection of analgesic, which helps with arthritis, bone pain and chronic headache. Anthocyanin is the antioxidant responsible for the anti-inflammatory analgesic action of the cherries, which abounds with this juicy fruit. Anthocyanin eliminates enzymes that cause tissue inflammation and pain.
Apple cider vinegar
If you suffer from stomach acids, mix one teaspoon of apple cider vinegar in a glass of water and drink it before a meal or drink gradually after a meal to avoid making of the acids in the stomach. The apple cider vinegar helps for better combustion of fat and protein, which actually causes a burning discomfort in the abdomen.
Blueberries
Blueberries are the best natural medicine for the treatment and prevention of infections of the urinary tract. Ample tannin, a natural organic compound that effectively kills the bacteria that causes inflammation of the urethra.
Source
http://www.healthyfoodteam.com/top-8-natural-painkillers-from-your-kitchen/